44144686 has 4 divisors (see below), whose sum is σ = 66217032. Its totient is φ = 22072342.

The previous prime is 44144671. The next prime is 44144687. The reversal of 44144686 is 68644144.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44144687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11036170 + ... + 11036173.

It is an arithmetic number, because the mean of its divisors is an integer number (16554258).

Almost surely, 2^44144686 is an apocalyptic number.

44144686 is a deficient number, since it is larger than the sum of its proper divisors (22072346).

44144686 is a wasteful number, since it uses less digits than its factorization.

44144686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22072345.

The product of its digits is 73728, while the sum is 37.

The square root of 44144686 is about 6644.1467473258. The cubic root of 44144686 is about 353.4213737732.

The spelling of 44144686 in words is "forty-four million, one hundred forty-four thousand, six hundred eighty-six".